Input changes in function

Hi,

I have a strange problem, the input in one of my functions changes to 0 on its own.

example: File of function:

function [output]= test (input,N) input N output = size (input); end

Command: N=20; input=[1:8]; [output]= test (input,N)

Output: input=[] N=0 output = 0 0

How is this possible ? It's only one of the functions that acts this way, and even if i change the name or even make a new one with the same content it acts the same.

[bym]

Please format your code using the {} button

Answer 1

[Matt Fig]

Please go back and format your code! Hightlight your pasted code, then click on the "{} Code" button.

Next, clarify what you mean by "function changes to 0 on its own." How can a function change to zero? What are you talking about?

As far as I can tell, this is your function boiled down to essentials:

function [output]= test(input,N) 
output = size(input);

Now calling from the command line it seems nothing is amiss:

>> N=20; input=[1:8]; [output]= test(input,N)
output =
     1     8

Answer 2

[Walter Roberson]

Do not use "input" as a variable name: MATLAB can and will get it confused with the function of the same name.